[Do Not Merge] circular buffer stress test

[reyang]

Facilitates #3349.

The results before/after the change in 3349 (it might be pure noise, we probably need to run it multiple times to see what's the actual noise level):

[codecov]

Codecov Report

Merging #3355 (dfb7bd3) into main (2ab6281) will decrease coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #3355      +/-   ##
==========================================
- Coverage   86.14%   86.04%   -0.10%     
==========================================
  Files         268      268              
  Lines        9448     9448              
==========================================
- Hits         8139     8130       -9     
- Misses       1309     1318       +9     

Impacted Files	Coverage Δ
...emetry.Api/Internal/OpenTelemetryApiEventSource.cs	76.47% <0.00%> (-5.89%)	⬇️
...lemetry/Internal/SelfDiagnosticsConfigRefresher.cs	86.53% <0.00%> (-5.77%)	⬇️
...nTelemetry/Internal/OpenTelemetrySdkEventSource.cs	74.57% <0.00%> (-1.70%)	⬇️
...Telemetry/Internal/SelfDiagnosticsEventListener.cs	96.87% <0.00%> (-0.79%)	⬇️
...metryProtocol/Implementation/ActivityExtensions.cs	95.60% <0.00%> (+1.09%)	⬆️

[CodeBlanch]

@reyang I just pushed some changes to #3349 to (primarily) speed up the reader. For me that dropped the time from 00:05:12.188 to 00:02:55.347. Would you mind running another test on your machine using latest?

[reyang]

#3349 is ready to be merged, closing this PR.